Product Details | TRANSMITTER SYNCHRO

5990-01-013-4569 A synchro consisting of a stator and rotor inductively coupled. The electrical output of the stator into a receiver synchro, a control transformer or differential synchro is dependent upon the position of its rotor. Does not include variable resistors, goniometers, variable transformers, or items with dials.

Part Alternates: M20708/78-02C, M20708/78D-002, M207087802C, M2070878D002, MIL-S-20708/78, MILS2070878, 26V08CX4C, 26V-08CX4C, 5990-01-013-4569, 01-013-4569, 5990010134569, 010134569

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 05 DEC 1975 01-013-4569

Drawings & Photos | NSN 5990-01-013-4569


Demand History | NSN 5990-01-013-4569

Part Number Request Date QTY Origin
5990-01-013-4569 2022-10-286 10 Taiwan
5990-01-013-4569 2022-08-221 10 Taiwan

Cross Reference | NSN 5990-01-013-4569

Part Number Cage Code Manufacturer
26V-08CX4C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M20708/78-02C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M20708/78D-002 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-20708/78 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5990-01-013-4569

Characteristic Specifications
BODY SIZE 8
ROTOR INPUT VOLTAGE RATING IN VOLTS 26.0 NOMINAL
ROTOR INPUT CURRENT RATING 153.0 MILLIAMPERES NOMINAL
ROTOR INPUT ELECTRICAL POWER RATING 70.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
ZRO IMPEDANCE MAGNITUDE IN OHMS 170.00 MINIMUM AND 215.00 MAXIMUM
ZRO IMPEDANCE ANGLE IN DEG 77.50 MINIMUM AND 80.50 MAXIMUM
ZSS IMPEDANCE MAGNITUDE IN OHMS 11.00 MINIMUM AND 15.00 MAXIMUM
ZSS IMPEDANCE ANGLE IN DEG 9.00 MINIMUM AND 15.00 MAXIMUM
TRANSFORMATION RATIO 0.454 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 8.500 INPUT TO OUTPUT NOMINAL
MAXIMUM TEMP RISE 8.5 DEG CELSIUS
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 20.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 30.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -7.0 TO 7.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS 0.04 INCH-OUNCES NOMINAL
BODY STYLE A1 STANDARD ROUND A
PILOT DIAMETER 0.5000 INCHES MAXIMUM
OVERALL LENGTH 1.7900 INCHES MAXIMUM
FLANGE DIAMETER 0.7500 INCHES MAXIMUM
FLANGE THICKNESS 0.0620 INCHES NOMINAL
UNDERCUT DIAMETER 0.6870 INCHES NOMINAL
UNDERCUT WIDTH 0.0620 INCHES NOMINAL
PILOT LENGTH 0.0400 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 1.2400 INCHES MAXIMUM
SHAFT TYPE ROUND, SLOTTED SINGLE SHAFT
SHAFT DIAMETER 0.0900 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.5000 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT DEPTH 0.0250 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT WIDTH 0.0200 INCHES NOMINAL SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 WIRE LEAD
TERMINAL LOCATION REAR
BODY MATERIAL ALUMINUM
TEST DATA DOCUMENT 81349-MIL-S-20708 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-S-20708/78 GOVERNMENT SPECIFICATION
III FRAGILITY FACTOR MODERATELY RUGGED
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-S-20708/78
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M20708/78-02C

Restrictions/Controls & Freight Information | NSN 5990-01-013-4569

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 062120 GENERATORS/MOTORS/PARTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code TX Defense Supply Center Columbus
Columbus, OH 43218
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5990-01-013-4569

Category Code Description
Cognizance Codes9NNavy-owned stocks of defense electronic material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9EDefense Supply Center Columbus
Columbus, OH 43218
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative